20ft Container Energy Storage System | 250–500kW / 500–1000kWh | BYD LFP Battery | Microgrid & C&I Applications
Model: SNE-ESS250KT500C / SNE-ESS500KT1000C – Ideal for remote sites and weak power grids
The 20ft Container Energy Storage System is a fully integrated, factory‑assembled solution tailored for medium to large-scale commercial and industrial applications. Featuring 250–500 kW output and 500–1000 kWh BYD lithium batteries, it includes built‑in HVAC, fire suppression, battery management system (BMS), and energy management system (EMS) for safe, efficient, and stable operation. Ideal for microgrids, remote sites, and weak-grid regions, the system supports fast deployment, easy installation, seamless grid interaction, and long-term reliable performance.
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System Topology Diagram

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Main Features
All-in-One Integrated Design
● Each 10ft / 20ft / 40ft container comes fully equipped with:
● BYD LFP battery packs, BMS, EMS
● HVAC and fire suppression systems
● Internal wiring, lighting, and protection
● Plug-and-play setup saves time and reduces on-site work."
Safe, Reliable, Built to Last
● Equipped with BYD LFP battery cells: high safety, long cycle life, and high usable capacity
● Factory-assembled and tested in-house to ensure high quality
● Multi-layer safety: active BYD BMS, thermal management, and automatic fire protection
● Weather-resistant design suitable for harsh environments (IP54+)
Smart Control & Scalable Applications
● EMS enables real-time monitoring, remote control, and intelligent dispatch
● Supports solar + storage, peak shaving, backup power, EV charging, and microgrids
● Modular and scalable—suitable for C&I and utility-scale projects -
Why Choose Our Container ESS?
✅All-in-One Integrated Design
Compact and modular structure enables quick installation and seamless transportation, saving time and labor costs.
✅Lower Operating Costs
Smart energy management and high-efficiency components help reduce daily energy loss and system O&M expenses.
✅Flexible Backup Power
Supports multiple backup scenarios—commercial, industrial, or emergency—ensuring uninterrupted power supply when needed most.
✅Turnkey Solution
Fully pre-assembled and pre-tested system, delivered ready-to-use, minimizing on-site work and speeding up deployment.
✅24/7 Remote Monitoring & Support
Supports full-time remote operation, monitoring, and diagnostics—ensuring fast response, minimal downtime, and reduced service costs.
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Application Scenarios & Use Cases
🔋Peak Shaving & Load Shifting
Reduce peak demand charges and optimize energy use by shifting load to off-peak hours.
⚡Backup Power Supply
Ensure uninterrupted power for critical facilities during grid outages or unstable supply.
🌐Microgrid & Off-Grid Systems
Support remote sites or islanded microgrids with stable, independent power supply.
☀Renewable Energy Integration
Store excess solar or wind energy for later use, improving self-consumption and grid stability.
🔧Industrial and Commercial Facilities
Improve power quality, stabilize voltage, and reduce energy costs for factories, data centers, malls, etc.
🏥Critical Infrastructure
Ideal for hospitals, telecom stations, water treatment plants, and other essential services requiring high reliability.
🌍Grid Services & Utility Support
Provide frequency regulation, voltage support, spinning reserve, and other ancillary services for utilities.
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Specification
Model SNE-ESS250KT500C SNE-ESS500KT1000C Battery Input Battery Capacity (KWH) 516.09KWH 1003.52KWH Battery Type Lithium Iron Phosphate(LiFePO4) Battery Module 25.6V 310AH BYD Battery Module Nominal Voltage(V) 563.2V Battery Voltage Range(V) 475.2V~668.8V Number of Battery Clusters 3 6 AC data Max Output Power(KVA) 275KVA 550KVA Rated Power(KW) 250KW 500KW Rated Current(A) 361A 722A Max. Output Current(A) 397A 794A THDI <3% Rated Voltage(V) 400V Voltage Range(V) 320V-460V Frequency (Hz) 50/60Hz Power Factor 1 Lagging-1 Leading AC Connection 3W+N+PE AC (Off Grid) Rated Voltage(V) 400V THDU < 1% Linear, < 5% Non-linear Rated Frequency(Hz) 50/60Hz Overload Capacity 110%,Long-term General Data Display LCD BMS Communication Mode CAN, RS485 EMS Communication Mode RS485, TCP/IP Ingress Protection IP54 Fire Extinguishing System Support Operating Temperature -30~+55℃ Dimension W*D*H (mm) 6058×2591×2896mm Weight (KG) About 10540KG About 15600KG PCS Cooling Way Temperature Control Intelligent Air Cooling Battery Cooling Way Air Conditioning Cooling Altitude 4,500m (>3,000 Derating) Relative Humidity 0 ~95% Non-condensing Standard Inverter Grid Regulation IEC/EN62109-1/-2;EN62477-1;IEC/EN61000-6-2/-6-4; EN50549-1;NRS 097-2-1:2017 Battery Standards UN38.3/MSDS/IEC 62619:2022 -
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How We Work — From Inquiry to Commissioning One-Stop Solar Battery System Service
Inquiry
Clients send us project details and requirements for a tailored solution.
Quotation & Confirmation
We provide a technical proposal and quotation, then confirm the order.
Production & Delivery
Production starts according to the confirmed order, followed by shipment arrangement.
Installation Guidance
Our engineers offer on-site or remote installation guidance.
Commissioning & Support
System commissioning and testing are completed, with ongoing after-sales support.
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